Home / 8,935.82-12,331.44-4,957.55

Finding the Fourth Proportional to 8,935.82, 12,331.44 and 4,957.55

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Solution

The fourth proportional to 8,935.82, 12,331.44 and 4,957.55 is: 6,841.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,935.82 : 12,331.44 = 4,957.55 : x
  2. Step 2: Convert to fraction form
    8,935.82/12,331.44 = 4,957.55/x
  3. Step 3: Cross multiply
    8,935.82x = 12,331.44 × 4,957.55
  4. Step 4: Simplify right side
    8,935.82x = 61,133,643.93
  5. Step 5: Solve for x
    x = 61,133,643.93/8,935.82
  6. Step 6: Final answer
    x = 6,841.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.